noun

cobalt

cobalt

Cobalt is a hard, silvery-white chemical element.

Cobalt is a hard, silvery-white chemical element.

She painted the sky a deep cobalt blue.

She painted the sky a deep cobalt blue.

((as a noun)) cobalt (the element or colour) The artist used cobalt for the sea.

Synonyms (for colour): azure, sapphire blue

From German 'Kobold', meaning 'goblin', as miners believed goblins replaced silver ore with this metal.

Imagine a mischievous 'goblin' (Kobold) hiding a 'blue' treasure.

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